I think it’s the last two options, hope this helps!
Commodore Perry of the US forced Japan to trade, which led to Japan opening its ports to more trade. MacGregor comments that this time signaled a shift toward greater economic power for Japan.
Answer: The main idea is about humans relying on animals/pets and vise versa.
Where is the email? I want to help but the attachment either isn't there or isn't showing up.